Package org.webcat.diff

Class Diff<T>

java.lang.Object

org.webcat.diff.Diff<T>

Type Parameters:

T - the type of object represented by the diff

public class Diff<T>
extends Object

Class representing one diff operation.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Diff.Operation	The data structure representing a diff is a Linked list of Diff objects: {Diff(Operation.DELETE, "Hello"), Diff(Operation.INSERT, "Goodbye"), Diff(Operation.EQUAL, " world.")} which means: delete "Hello", add "Goodbye" and keep " world."

Field Summary

Fields

Modifier and Type	Field	Description
List<T>	list	The text associated with this diff operation.
Diff.Operation	operation	One of: INSERT, DELETE or EQUAL.

Constructor Summary

Constructors

Constructor	Description
Diff(Diff.Operation operation, List<T> list)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object d)	Is this Diff equivalent to another Diff?
String	toString()	Display a human-readable version of this Diff.

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

operation

public Diff.Operation operation

One of: INSERT, DELETE or EQUAL.

list

public List<T> list

The text associated with this diff operation.

Constructor Details

Diff

public Diff(Diff.Operation operation,
 List<T> list)

Constructor. Initializes the diff with the provided values.

Parameters:

operation - One of INSERT, DELETE or EQUAL.

list - The text being applied.

Method Details

toString

public String toString()

Display a human-readable version of this Diff.

Overrides:

toString in class Object

Returns:

text version.

equals

public boolean equals(Object d)

Is this Diff equivalent to another Diff?

Overrides:

equals in class Object

Parameters:

d - Another Diff to compare against.

Returns:

true or false.